Williamsville Post Office

Post office

5325 Sheridan Drive, Williamsville, NY 14221

Hours are not published. Call before you go.

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Williamsville Facilities in New York

Williamsville Post Office accepts new U.S. passport applications in person in Williamsville, NY. First-time and child visits are booked on the USPS scheduler. Search ZIP 14221. How to apply · How to renew